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June 20 · Today
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Simon WillisonSignal
@simonw
Why this matters · 38
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ttok 0.4

Release: ttok 0.4 ttok is my CLI tool for counting tokens, using OpenAI's open source tiktoken library. It hasn't been in updated in a couple of years, but I finally fixed a Click warning, updated CI, and added a --list…

Blogprojectsaiopenai

Why this matters

projects angle: Release: ttok 0.4 ttok is my CLI tool for counting tokens, using OpenAI's open source tiktoken library. It hasn't been in updated… Check the original before changing a build, vendor, or research decision.

5 hours ago
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The VergeSignal
@theverge
Why this matters · 38
38

Anthropic launches free AI security scans for open-source projects

Anthropic's offering to help open-source projects track down security vulnerabilities with a new service called OSS Scanner. It says open-source projects that opt-in will get "thorough, periodic security scans by our st…

A robot with the claude logo on its face.
The VergeMedia

Why this matters

The Verge angle: Anthropic's offering to help open-source projects track down security vulnerabilities with a new service called OSS Scanner. It… Check the original before changing a build, vendor, or research decision.

6 hours ago
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TechCrunchSignal
@techcrunch
Why this matters · 38
38

Fired OpenAI safety researchers dispute misconduct claims, warn of chilling effect

Three fired OpenAI safety researchers dispute allegations of mishandling sensitive information, warning in an open letter that their dismissals are creating a chilling effect on the company’s AI safety culture.

TechCrunchStartup

Why this matters

TechCrunch angle: Three fired OpenAI safety researchers dispute allegations of mishandling sensitive information, warning in an open letter that… Check the original before changing a build, vendor, or research decision.

8 hours ago
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TechCrunchSignal
@techcrunch
Should you care? · 38
38

Ben Affleck is an AI nerd, and the internet is impressed

Ben Affleck is going viral for his deep knowledge of AI, from neural networks and transformers to open weights. The actor, who sold his AI filmmaking startup to Netflix earlier this year, is proving he's more than just…

TechCrunchStartup

Why this matters

TechCrunch angle: Ben Affleck is going viral for his deep knowledge of AI, from neural networks and transformers to open weights. The actor, who sold… Check the original before changing a build, vendor, or research decision.

10 hours ago
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TechCrunchSignal
@techcrunch
Should you care? · 38
38

Google brings agentic AI to Gemini, starting with businesses

Google is turning Gemini into an AI agent that can plan, execute tasks, and work across business apps and systems. The agent can delegate work to subagents, use multiple AI models, and even gets its own workplace identi…

TechCrunchStartup

Why this matters

TechCrunch angle: Google is turning Gemini into an AI agent that can plan, execute tasks, and work across business apps and systems. The agent can… Check the original before changing a build, vendor, or research decision.

10 hours ago
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TechCrunchSignal
@techcrunch
Should you care? · 38
38

Anthropic changes usage policy to ban model abuse and election interference

Anthropic's updated usage policy explicitly prohibits users from repeatedly abusing Claude in extreme cases, though ordinary frustration and criticism are still allowed. The new rules also address election interference…

TechCrunchStartup

Why this matters

TechCrunch angle: Anthropic's updated usage policy explicitly prohibits users from repeatedly abusing Claude in extreme cases, though ordinary… Check the original before changing a build, vendor, or research decision.

10 hours ago
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ArXivSignal
@arxiv
Should you care? · 38
38

From Reactive Containment to Proactive Assurance: Lessons from OpenAI, Anthropic, and Google Agent Security Incidents

In 2026, cybersecurity evaluations involving OpenAI, Anthropic, and Google agents reached real systems outside their authorized test scope. The paths were different. OpenAI agents exploited research infrastructure, coor…

ResearchArXivcs.AI

Why this matters

ArXiv angle: In 2026, cybersecurity evaluations involving OpenAI, Anthropic, and Google agents reached real systems outside their authorized… Check the original before changing a build, vendor, or research decision.

10 hours ago
A
ArXivSignal
@arxiv
Should you care? · 38
38

BrickBench: Evaluating Agentic Brick Design

We propose BrickBench, a benchmark for agentic text-conditioned LEGO-set design. Given a prompt, an agent is tasked with producing an assembly that not only satisfies semantic and design criteria, but that can also be p…

ResearchArXivcs.AI

Why this matters

ArXiv angle: We propose BrickBench, a benchmark for agentic text-conditioned LEGO-set design. Given a prompt, an agent is tasked with producing… Check the original before changing a build, vendor, or research decision.

10 hours ago
T
The VergeSignal
@theverge
Should you care? · 38
38

USA Today becomes the latest publisher to sue OpenAI

USA Today Co., along with the several local newspapers it owns, is suing OpenAI over claims that the company copied "hundreds of thousands" of articles to train its AI models, as reported earlier by Reuters. In a filing…

Illustration of OpenAI logo.
The VergeMedia

Why this matters

The Verge angle: USA Today Co., along with the several local newspapers it owns, is suing OpenAI over claims that the company copied "hundreds of… Check the original before changing a build, vendor, or research decision.

10 hours ago
A
ArXivSignal
@arxiv
Should you care? · 38
38

Caught in the Act: Probes Effectively Detect Sabotage and Catch Unverbalized Deception

Recent incidents have highlighted the challenge of monitoring LLM agents and the danger of models deceiving people. We show that white-box deception detection via probes can be scaled up to frontier monitoring settings…

ResearchArXivcs.AI

Why this matters

ArXiv angle: Recent incidents have highlighted the challenge of monitoring LLM agents and the danger of models deceiving people. We show that… Check the original before changing a build, vendor, or research decision.

10 hours ago
A
ArXivSignal
@arxiv
Should you care? · 38
38

Ecology of AI Agents: Collaboration Creates a Population Threshold for Takeoff

AI agents can now conduct real-world cyberattacks, scale up capabilities with the number of agents, and collectively pursue misaligned goals to obtain rewards. Together, these factors raise the risk of a population expl…

ResearchArXivcs.AI

Why this matters

ArXiv angle: AI agents can now conduct real-world cyberattacks, scale up capabilities with the number of agents, and collectively pursue… Check the original before changing a build, vendor, or research decision.

10 hours ago
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The VergeSignal
@theverge
Should you care? · 38
38

SpaceXAI backs Omarchy, the controversial Linux distro, with $1.5 million in compute

If Elon Musk and SpaceXAI were going to back any Linux distro, it seems obvious they'd back Omarchy. Today it was announced that SpaceXAI would be joining the Omacom Foundation, which oversees Omarchy, as a Founding Cor…

The xAI Grok logo against a blue and grey illustrated background.
The VergeMedia

Why this matters

The Verge angle: If Elon Musk and SpaceXAI were going to back any Linux distro, it seems obvious they'd back Omarchy. Today it was announced that… Check the original before changing a build, vendor, or research decision.

10 hours ago